asp-log

use serilog for asp.net core 3.1

appsettings.json

  "AllowedHosts": "*",
  "Serilog": {
    "Using": [ "Serilog.Sinks.File", "Serilog.Sinks.Async" ],
    "MinimumLevel": {
      "Default": "Information"
    },
    "Override": {
      "Microsoft": "Warning",
      "System": "Warning",
      "Microsoft.AspNetCore": "Warning"
    },
    "WriteTo": [
      {
        "Name": "AsyncFile",
        "Args": {
          "configure": [
            {
              "Name": "File",
              "Args": {
                "path": "Logs/serilogDemo_.log",
                "rollingInterval": "Day"
              }
            }
          ]
        }
      }
    ],
    "Enrich": [ "FromLogContext", "WithMachineName", "WithThreadId" ],
    "Properties": {
      "Application": "KVMServerApi"
    }
  },

public class Program
    {
        public static IConfiguration Configuration { get; } = new ConfigurationBuilder()
               .SetBasePath(Directory.GetCurrentDirectory())
               .AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
               .AddJsonFile($"appsettings.{Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") ?? "Production"}.json", optional: true)
               .AddJsonFile($"appsettings.{Environment.MachineName}.json", optional: true)
               .AddEnvironmentVariables()
               .Build();

        public static void Main(string[] args)
        {
            Log.Logger = new LoggerConfiguration()
            .ReadFrom.Configuration(Configuration)
            .CreateLogger();

            try
            {
                Log.Information("Starting up");
                CreateHostBuilder(args).Build().Run();
            }
            catch (Exception ex)
            {
                Log.Fatal(ex, "Application start-up failed");
            }
            finally
            {
                Log.CloseAndFlush();
            }

            //CreateHostBuilder(args).Build().Run();
        }

        public static IHostBuilder CreateHostBuilder(string[] args) =>
            Host.CreateDefaultBuilder(args)
                .UseSerilog()
                .ConfigureWebHostDefaults(webBuilder =>
                {
                    webBuilder.UseStartup<Startup>();
                });
    }

public class MsgController : BaseController
{
    private readonly ILogger<MsgController> _logger;

    public MsgController(IRegInfoService ri, IRedisCacheClient redisCacheClient , ILogger<MsgController> logger) : base(ri,redisCacheClient)
    {
        _logger = logger;
    }
    ...
    _logger.LogInformation("GetSystem executing...");
}